Codification of Presidential Proclamations and Executive OrdersThe Codification of Presidential Proclamations and Executive Orders is an editorial codification prepared by the Office of the Federal Register and is not intended to be used as a definitive legal authority. It is published to provide in one convenient reference source proclamations and Executive orders with general applicability and continuing effect. This codification covers the period April 13, 1945, through January 20, 1989--a timespan encompassing the administrations of Harry S. Truman through Ronald Reagan--and replaces the previous volume, which covered the period January 20, 1961, through January 20, 1985. Proclamations and Executive orders issued before April 13, 1945, are included if they were amended or otherwise affected by documents issued during the 1945-1989 period.